Subtracts the value of an expression from the value of a variable and assigns the result to the variable.
result -= expression  | 
| JScript | 
| Subtraction Assignment Operator (-=) (JScript 5.6) | 
| See Also | 
Subtracts the value of an expression from the value of a variable and assigns the result to the variable.
result -= expression  | 
Arguments
Remarks
Requirements
See Also